data := [[.552419509, -.971529121], [-2.499654849, -7.572506091], [-.659181293
, -3.745819946], [8.871887453, 12.43208912], [1.067100086, -1.544251579], [3.3\
60317089, 6.138352442], [7.560449860, 9.130567044], [5.627552338, 8.235284259]
, [.909459414, -2.258312823], [3.500033682, 7.287702197], [-7.844409166, -16.4\
5719087], [10.11598294, 13.78591835], [-5.168325397, -14.72081297], [-2.496290\
082, -7.750758601], [-6.898150103, -16.88124853], [-.834153900, -2.485377664],
[-1.878366046, -5.746624203], [.749863743, -1.863206102], [9.169043137, 16.168\
11201], [4.699788746, 7.595171334], [-8.712599728, -15.64941534], [-2.09890353\
7, -7.518828798], [-4.937183211, -8.748908580], [1.022782108, .476401965], [-9\
.987246931, -20.07296205]];